← The evidence ledger
Evidence row 526607
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://ask.singitai.app/v1/chat/gpt-5.6-terra
- Recorded
- Previous row
- #18323
- Body SHA-256
- 24df33f7e57d6f4e9e3bf216299de65d76327c1cbbf05b3fe91a3d77e8e9fdb0
- Leaf
- 0x43406a32fb0d242a59c296f16c27c5a36ace97dfb2c172c3ed7fa1250235af7a
What was observed
{
"endpoints": [
[
"x402",
"https://ask.singitai.app/v1/chat/gpt-5.6-terra"
]
],
"name": "SingIt GPT-5.6 Terra Chat",
"owner_address": "0xc23d1dc0f5fce1abffb051e06cb93f0329968b4e",
"raw": {
"accepts": [
{
"amount": "1500",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"assetTransferMethod": "permit2",
"billing": {
"markupBps": 3000,
"maxChargeAtomic": "1500",
"mode": "actual_usage",
"settlementFeeAtomic": "1000",
"version": 1
},
"facilitatorAddress": "0x42dd53906B49c202E8E934b059dc019E04634b00",
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 120,
"network": "eip155:8453",
"payTo": "0xC23d1Dc0f5fCe1abfFB051e06cB93f0329968B4e",
"scheme": "upto"
},
{
"amount": "2385",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"billing": {
"markupBps": 3000,
"maxChargeAtomic": "2385",
"mode": "actual_usage",
"settlementFeeAtomic": "2000",
"version": 1
},
"feePayer": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP",
"paymentFlow": "escrow",
"receiverAuthorizer": "9dpHxn3XFZMZv59vE5MKxhfwGUCCgkcCUzYZLpdEm7ox",
"tokenProgram": "TokenkegQfeZyiNwAJbNbGKPFXCWuBvf9Ss623VQ5DA",
"withdrawDelay": 300
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "4an2sqamWWhny9mjLsMtGXCDXakeNtg6vSLq4QvhdmQu",
"scheme": "upto"
},
{
"amount": "1500",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"billing": {
"markupBps": 3000,
"maxChargeAtomic": "1500",
"mode": "exact_ceiling",
"settlementFeeAtomic": "1000",
"version": 1
},
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 120,
"network": "eip155:8453",
"payTo": "0xC23d1Dc0f5fCe1abfFB051e06cB93f0329968B4e",
"scheme": "exact"
},
{
"amount": "2116",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"billing": {
"markupBps": 3000,
"maxChargeAtomic": "2116",
"mode": "exact_ceiling",
"settlementFeeAtomic": "2000",
"version": 1
},
"feePayer": "Hc3sdEAsCGQcpgfivywog9uwtk8gUBUZgsxdME1EJy88"
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "4an2sqamWWhny9mjLsMtGXCDXakeNtg6vSLq4QvhdmQu",
"scheme": "exact"
}
],
"description": "GPT-5.6 Terra (OpenAI) LLM chat completions, OpenAI-compatible, with no API key or account. Another GPT-5.6 variant from OpenAI: general-purpose chat, coding and reasoning. Call it when an agent needs GPT-5.6 Terra specifically. Served by SingIt.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"max_tokens": 400,
"messages": [
{
"content": "Where is good coffee near the Colosseum? (via GPT-5.6 Terra)",
"role": "user"
}
],
"model": "gpt-5.6-terra"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"billing": {
"currency": "USDC",
"markupAtomic": "2",
"markupBps": 3000,
"maxChargeAtomic": "3000",
"mode": "actual_usage",
"providerCostAtomic": "6",
"settlementFeeAtomic": "1000",
"totalAtomic": "1008",
"version": 1
},
"choices": [
{
"finish_reason": "stop",
"index": 0,
"message": {
"content": "Around the Colosseum, try Caffè Propaganda on Via Claudia or Bar Martini for an espresso with a view.",
"role": "assistant"
}
}
],
"created": 1791932400,
"id": "singit-ask-1791932400000",
"model": "singit-ask",
"object": "chat.completion",
"usage": {
"buyer_cost_micro": 6,
"completion_tokens": 31,
"prompt_tokens": 14,
"total_tokens": 45
}
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"max_tokens": {
"default": 800,
"description": "The longest answer, in tokens. The payment ceiling grows with it; the charge follows what was used.",
"maximum": 1200,
"minimum": 1,
"type": "integer"
},
"messages": {
"description": "The conversation, oldest first.",
"items": {
"properties": {
"content": {
"description": "Plain text; all messages together under 24000 characters.",
"type": "string"
},
"role": {
"enum": [
"system",
"user",
"assistant"
],
"type": "string"
}
},
"required": [
"role",
"content"
],
"type": "object"
},
"maxItems": 40,
"minItems": 1,
"type": "array"
},
"model": {
"description": "Any model id from GET /v1/models; the ceiling follows its price. Omit for the default model.",
"examples": [
"deepseek-v4.1-flash",
"claude-opus-5.5",
"gpt-5.5",
"gemini-3.1-pro"
],
"type": "string"
},
"stream": {
"description": "Streaming is not offered.",
"enum": [
false
],
"type": "boolean"
}
},
"required": [
"messages"
]
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"billing": {
"description": "What was charged, in USDC micro-units",
"properties": {
"currency": {
"const": "USDC",
"type": "string"
},
"markupAtomic": {
"type": "string"
},
"providerCostAtomic": {
"type": "string"
},
"totalAtomic": {
"description": "The amount settled",
"type": "string"
}
},
"type": "object"
},
"choices": {
"items": {
"properties": {
"finish_reason": {
"description": "stop, or length when max_tokens ended the answer",
"type": "string"
},
"index": {
"type": "integer"
},
"message": {
"properties": {
"content": {
"type": "string"
},
"role": {
"type": "string"
}
},
"type": "object"
}
},
"type": "object"
},
"type": "array"
},
"created": {
"description": "Unix seconds",
"type": "integer"
},
"id": {
"type": "string"
},
"model": {
"type": "string"
},
"object": {
"const": "chat.completion",
"type": "string"
},
"usage": {
"description": "Token counts and the model's own cost in micro-USD (buyer_cost_micro)",
"type": "object"
}
},
"required": [
"choices",
"billing"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
},
"builder-code": {
"info": {
"a": "bc_is3fuv36"
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"additionalProperties": false,
"properties": {
"a": {
"description": "App builder code",
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
},
"s": {
"description": "Service builder codes",
"items": {
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
},
"maxItems": 11,
"type": "array"
},
"w": {
"description": "Wallet builder code",
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
}
},
"type": "object"
}
},
"eip2612GasSponsoring": {
"info": {
"description": "The facilitator accepts EIP-2612 gasless Permit to `Permit2` canonical contract.",
"version": "1"
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"amount": {
"description": "The amount to approve (uint256). Typically MaxUint.",
"pattern": "^[0-9]+$",
"type": "string"
},
"asset": {
"description": "The address of the ERC-20 token contract.",
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
},
"deadline": {
"description": "The timestamp at which the signature expires.",
"pattern": "^[0-9]+$",
"type": "string"
},
"from": {
"description": "The address of the sender.",
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
},
"nonce": {
"description": "The current nonce of the sender.",
"pattern": "^[0-9]+$",
"type": "string"
},
"signature": {
"description": "The 65-byte concatenated signature (r, s, v) as a hex string.",
"pattern": "^0x[a-fA-F0-9]+$",
"type": "string"
},
"spender": {
"description": "The address of the spender (Canonical Permit2).",
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
},
"version": {
"description": "Schema version identifier.",
"pattern": "^[0-9]+(\\.[0-9]+)*$",
"type": "string"
}
},
"required": [
"from",
"asset",
"spender",
"amount",
"nonce",
"deadline",
"signature",
"version"
],
"type": "object"
}
}
},
"iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1792921332/bazaar-icons/a240c598b3f928d1.png",
"lastUpdated": "2026-10-27T16:49:32.438Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-10-26T06:35:57.486Z"
},
"resource": "https://ask.singitai.app/v1/chat/gpt-5.6-terra",
"serviceName": "SingIt GPT-5.6 Terra Chat",
"tags": [
"llm",
"chat-completions",
"gpt-5.6-terra",
"openai",
"openai-compatible"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "GPT-5.6 Terra (OpenAI) LLM chat completions, OpenAI-compatible, with no API key or account. Another GPT-5.6 variant from OpenAI: general-purpose chat, coding and reasoning. Call it when an agent needs GPT-5.6 Terra specifically. Served by SingIt."
}What the leaf hashes
{"body":"24df33f7e57d6f4e9e3bf216299de65d76327c1cbbf05b3fe91a3d77e8e9fdb0","id":526607,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793124789367607,"prev":18323,"subject":"x402_bazaar:https://ask.singitai.app/v1/chat/gpt-5.6-terra","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (273461 rows).
- 0x43402d9df4ff1a46e44907ed05c5b0e80781e03cec20311bfb77394320a2dc2b
- 0x3ec6626e97d1c1d9dc2c6b1ca11af94f378f03be5cbde6b5681bada6e4bb38de
- 0xefb1e2ad2880a290283b3cd849b3ef8b15c00174660b888c3133dfeb937fc987
- 0xc6a0e9a15b5bb8e793dc0f19f39a8d4d21e80d74392270f7c9de70cfa8502cb3
- 0x219f759136f24ce3ebfe914f24c09e55df5961b862e0ef33f8d30a9d1367c8e5
- 0xa1bb36786898d3aa9217412e942c0a90b29fc8cacc1f123555353dd93ef9efec
- 0xa8247a68d197f28c209dc8e9da1717b0374932eef2cc02c1d709ef61413c71da
- 0xeed07a329bec6133443a2b56cc5155d4a153858823584f6ccbc5362bdb1591b5
- 0x144543e79b09b2f6d60ced882b7f599d0932ad2e0f0670d03ee6e3fe049ef7ba
- 0xa829664e5b3a82c49f112970900b51ea1b6339b688d8c1b27363e68a13009a1f
- 0xb0dc7eed01b5a695ca9cedf0d1edb8657bace4dd0c8093d1309bd503047ae4e7
- 0xc897d71d9632ce913abe93619ab42cfbeb45fae1da80e2533fb77a3b950138a9
- 0x4b4a1e815a33d351cc45dfa35f97aef5faf461590a54756a40dc36a0bbabf04b
- 0x1de9caca1fa6dbbe090ee48dad5f962bbfd09856fd897edc8c3c110272d35c56
- 0x2c117b27721eea45f6590fbccb471d21a7b0b079a53f089ecb300c63bdb3aebf
- 0x3ed50f053eca72dfd3a9d45a11935240bfe691e57835c367ddebe2cbc49efe9d
- 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
- 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
- 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699
- Day root
- 0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795
- Chained
- 0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4
- Published
- On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4